arm64: dts: hisi: add refclk node to hip06 dts files for SAS

We will only maintain 1 dts for D03 and there are 50MHz
and 66MHz versions of D03: so we expect UEFI to update
refclk rate in the fdt at boot time.

Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>

diff --git a/arch/arm64/boot/dts/hisilicon/hip06.dtsi b/arch/arm64/boot/dts/hisilicon/hip06.dtsi
index a05ad046cb9ae00d2df30cdba8490bdfebc28aab..a049b64f2101e419a83266741cd073607bd3eade 100644 (file)
--- a/arch/arm64/boot/dts/hisilicon/hip06.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hip06.dtsi
@@ -318,6 +318,12 @@
                #size-cells = <2>;
                ranges;
 
+               refclk: refclk {
+                       compatible = "fixed-clock";
+                       clock-frequency = <50000000>;
+                       #clock-cells = <0>;
+               };
+
                usb_ohci: ohci@a7030000 {
                        compatible = "generic-ohci";
                        reg = <0x0 0xa7030000 0x0 0x10000>;
@@ -552,6 +558,7 @@
                        ctrl-reset-reg = <0xa60>;
                        ctrl-reset-sts-reg = <0x5a30>;
                        ctrl-clock-ena-reg = <0x338>;
+                       clocks = <&refclk 0>;
                        queue-count = <16>;
                        phy-count = <8>;
                        dma-coherent;
@@ -594,6 +601,7 @@
                        ctrl-reset-reg = <0xa18>;
                        ctrl-reset-sts-reg = <0x5a0c>;
                        ctrl-clock-ena-reg = <0x318>;
+                       clocks = <&refclk 0>;
                        queue-count = <16>;
                        phy-count = <8>;
                        dma-coherent;
@@ -635,6 +643,7 @@
                        ctrl-reset-reg = <0xae0>;
                        ctrl-reset-sts-reg = <0x5a70>;
                        ctrl-clock-ena-reg = <0x3a8>;
+                       clocks = <&refclk 0>;
                        queue-count = <16>;
                        phy-count = <9>;
                        dma-coherent;